Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=-board_size&page=3383
{ "count": 60872, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-board_size&page=3384", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-board_size&page=3382", "results": [ { "id": 120731, "name": "Blitz 13x13 Swiss Tournament 2024-10-01 11:30", "director": { "id": 4, "username": "matburt", "country": "us", "icon": "https://secure.gravatar.com/avatar/a87ff679a2f3e71d9181a67b7542122c?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1125.8827017028436, "deviation": 78.19731452501959, "volatility": 0.06006087171771568 } }, "ranking": 17.66169912212786, "professional": false, "ui_class": "supporter moderator admin" }, "description": "Automatic Site-wide Tournament", "schedule": { "id": 3, "name": "Blitz 13x13 Swiss Tournament", "rrule": "DTSTART:20260830T190000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:27:45.234995Z", "last_run": "2026-08-30T19:00:32.152329Z", "lead_time_seconds": 1800, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "size": 13, "time_control_parameters": { "time_control": "byoyomi", "period_time": 10, "main_time": 300, "periods": 5 }, "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclude_provisional": true, "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "settings": { "num_rounds": "3", "upper_bar": "20", "lower_bar": "10", "group_size": "3", "maximum_players": 40 }, "next_run": "2026-08-30T23:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 15, "time_control_parameters": { "time_control": "byoyomi", "period_time": 10, "main_time": 300, "periods": 5 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2024-10-01T11:30:58.481929Z", "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2024-10-01T11:31:58.479246Z", "ended": "2024-10-01T12:34:02.454762Z", "start_waiting": "2024-10-01T11:31:58.395008Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png", "player_count": 6, "ranked": true }, { "id": 128228, "name": "13x13 Mini League 10k-25k #4", "director": { "id": 1688153, "username": "Mittelmark", "country": "de", "icon": "https://user-uploads.online-go.com/f86d53e1b08ba490783eac759518a835-64.png", "ratings": { "version": 5, "overall": { "rating": 1060.5022291891732, "deviation": 67.10767803005136, "volatility": 0.06002369493625782 } }, "ranking": 16.27675605085914, "professional": false, "ui_class": "supporter" }, "description": "A little round robin with 4 games for everyone on a 13x13 board with (not too) relaxed time settings.", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 93703, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 86400, "initial_time": 432000, "max_time": 1209600 }, "is_open": true, "exclude_provisional": true, "group": { "id": 161, "name": "13x13", "summary": "Like to play on a 13 x 13 board?", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 60, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": true, "time_start": "2025-05-16T18:00:00Z", "players_start": 5, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 20, "analysis_enabled": false, "exclusivity": "open", "started": "2025-05-13T02:36:34.868663Z", "ended": "2025-06-11T01:05:20.775842Z", "start_waiting": "2025-05-13T02:36:34.722288Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 5, "ranked": true }, { "id": 120263, "name": "Sunday GO 33 13×13", "director": { "id": 1551584, "username": "sunday1", "country": "un", "icon": "https://secure.gravatar.com/avatar/05b9986e902fae60fc11dbe1725acbfb?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1618.9499691658098, "deviation": 204.25199251835616, "volatility": 0.05999929943859401 } }, "ranking": 26.070020349192358, "professional": false, "ui_class": "provisional" }, "description": "Fun 45 sec per move\n\n\n<img src=\"https://media1.tenor.com/m/O1-G64Dda9YAAAAd/hikaru-shindo-hikaru-no-go.gif\" width=\"259\" height=\"197\" alt=\"Hikaru Shindo Hikaru No Go GIF - Hikaru Shindo Hikaru No Go Hand Of God GIFs\" style=\"max-width: 518px;\">\n\n\n\n <link rel=\"stylesheet\" type=\"text/css\" href=\"https://yewang.github.io/ProfileCSS/profile.css \"> <link rel=\"stylesheet\" type=\"text/css\"\n\n\n<img src=\"https://media1.tenor.com/m/O1-G64Dda9YAAAAd/hikaru-shindo-hikaru-no-go.gif\" width=\"259\" height=\"197\" alt=\"Hikaru Shindo Hikaru No Go GIF - Hikaru Shindo Hikaru No Go Hand Of God GIFs\" style=\"max-width: 518px;\">\n\n\n<a href=\"http://s01.flagcounter.com/more/lyQ6\"><img src=\"https://s01.flagcounter.com/count2/lyQ6/bg_FFFFFF/txt_000000/border_CCCCCC/columns_8/maxflags_250/viewers_0/labels_1/pageviews_0/flags_0/percent_0/\" alt=\"Flag Counter\" border=\"0\"></a>", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "time_per_move": 45, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 0, "period_time": 45, "periods": 1 }, "is_open": true, "exclude_provisional": false, "group": { "id": 13675, "name": "Sunday GO and MORE", "summary": "You can't miss this group, join now!", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 114, "icon": "https://user-uploads.online-go.com/e9f20c25fe1d95f705ad61dc0bd03a5d-64.png" }, "auto_start_on_max": false, "time_start": "2024-09-22T05:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2025-01-15T11:30:39.602864Z", "ended": "2025-01-15T11:31:44.604108Z", "start_waiting": "2025-01-15T11:30:39.537869Z", "board_size": 13, "active_round": null, "icon": "https://user-uploads.online-go.com/e9f20c25fe1d95f705ad61dc0bd03a5d-15.png", "player_count": 2, "ranked": true }, { "id": 92393, "name": "Melee 13x13 Tournament: 2022-07-15", "director": { "id": 741522, "username": "wolfmeister", "country": "_United_Federation_of_Planets", "icon": "https://secure.gravatar.com/avatar/c86451e4f5aaface6118117b8b91597b?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1209.6169056480942, "deviation": 65.52079638031556, "volatility": 0.06013235595814508 } }, "ranking": 19.32239564406787, "professional": false, "ui_class": "" }, "description": "Play async or live via video. Your choice.", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": -1, "rules": "japanese", "time_per_move": 20160, "time_control_parameters": { "system": "absolute", "time_control": "absolute", "speed": "correspondence", "pause_on_weekends": true, "total_time": 1814400 }, "is_open": true, "exclude_provisional": false, "group": { "id": 6518, "name": "Madison Google Go", "summary": "Nominally a social league for the MSN site, but friendly, casual players from other sites welcome. Make sure to join the Hangouts room, go-msn@ group for announcements! Please send an *INTERNAL* email to the organizers to join. We don't always notice OG", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": true, "member_count": 18, "icon": "https://user-uploads.online-go.com/58487116e0e161b5d171c5b31268b059-64.png" }, "auto_start_on_max": false, "time_start": "2022-07-15T18:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "group", "started": "2022-07-15T18:00:37.047446Z", "ended": "2022-09-01T16:26:23.381468Z", "start_waiting": "2022-07-15T18:00:36.819786Z", "board_size": 13, "active_round": null, "icon": "https://user-uploads.online-go.com/58487116e0e161b5d171c5b31268b059-15.png", "player_count": 6, "ranked": true }, { "id": 57505, "name": "Море Чая", "director": { "id": 696656, "username": "Elvina Kalsberg", "country": "ru", "icon": "https://secure.gravatar.com/avatar/9223dd7308298cc830b8e7920c488ad2?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1918.3809822935532, "deviation": 111.50115552505387, "volatility": 0.06004109467285037 } }, "ranking": 29.99866378251426, "professional": false, "ui_class": "" }, "description": "Участвует учебная группа СПб", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": -1, "rules": "japanese", "time_per_move": 31680, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 28800, "initial_time": 259200, "max_time": 1209600 }, "is_open": true, "exclude_provisional": false, "group": { "id": 4556, "name": "Санкт-Петербург - Хэйлунцзян, 圣彼得堡 - 黑龙江", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": true, "member_count": 29, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2020-03-27T14:00:00Z", "players_start": 6, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 14, "analysis_enabled": true, "exclusivity": "group", "started": "2020-03-27T14:00:54.368156Z", "ended": "2020-05-06T06:21:33.904471Z", "start_waiting": "2020-03-27T14:00:51.954136Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 9, "ranked": true }, { "id": 126934, "name": "13x13 Open D.E. Cup #64", "director": { "id": 1015644, "username": "wiadp1", "country": "pl", "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png", "ratings": { "version": 5, "overall": { "rating": 1436.6763223064163, "deviation": 73.64403890814872, "volatility": 0.06029187474891314 } }, "ranking": 23.304858514505188, "professional": false, "ui_class": "" }, "description": "Double-Elimination tournament for everyone. It will be started as soon as 8 players will join it.\n\nPrevious winners: https://online-go.com/group/12599", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 90782, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "time_increment": 86400, "initial_time": 259200, "max_time": 604800 }, "is_open": true, "exclude_provisional": false, "group": { "id": 12599, "name": "GO Special Tournaments", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 86, "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-64.png" }, "auto_start_on_max": true, "time_start": "2025-04-13T20:00:00Z", "players_start": 8, "first_pairing_method": "random", "subsequent_pairing_method": "random", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2025-04-11T04:12:40.332271Z", "ended": "2025-12-01T03:05:04.352452Z", "start_waiting": "2025-04-11T04:12:40.234538Z", "board_size": 13, "active_round": null, "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-15.png", "player_count": 8, "ranked": true }, { "id": 28626, "name": "Official First Tournament of 2017", "director": { "id": 108225, "username": "the true sai", "country": "us", "icon": "https://user-uploads.online-go.com/f5af83c2a9cc9aaf293693ce12b265aa-64.png", "ratings": { "version": 5, "overall": { "rating": 1279.6752312722126, "deviation": 66.13202457856968, "volatility": 0.05997321151966784 } }, "ranking": 20.625801241356527, "professional": false, "ui_class": "" }, "description": "First resuming tournament of 2017.", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "initial_time": 259200, "max_time": 604800, "time_increment": 86400, "speed": "correspondence" }, "is_open": true, "exclude_provisional": true, "group": { "id": 420, "name": "Hikaru no go club", "summary": "Sai is the way.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 774, "icon": "https://user-uploads.online-go.com/84c61392d7c5db993cba7656a5ebbc92-64.png" }, "auto_start_on_max": false, "time_start": "2017-07-09T05:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2017-07-17T18:50:16.513778Z", "ended": "2018-05-18T17:28:18.631329Z", "start_waiting": "2017-07-17T18:50:15.806132Z", "board_size": 13, "active_round": null, "icon": "https://user-uploads.online-go.com/84c61392d7c5db993cba7656a5ebbc92-15.png", "player_count": 14, "ranked": true }, { "id": 141003, "name": "13x13 Open League #65", "director": { "id": 1015644, "username": "wiadp1", "country": "pl", "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png", "ratings": { "version": 5, "overall": { "rating": 1436.6763223064163, "deviation": 73.64403890814872, "volatility": 0.06029187474891314 } }, "ranking": 23.304858514505188, "professional": false, "ui_class": "" }, "description": "Open league for everyone. Tournament will be started as soon as 10 players will join it.\n\nPrevious winners: https://online-go.com/group/12599", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 90782, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "time_increment": 86400, "initial_time": 259200, "max_time": 604800 }, "is_open": true, "exclude_provisional": false, "group": { "id": 12599, "name": "GO Special Tournaments", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 86, "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-64.png" }, "auto_start_on_max": true, "time_start": "2026-07-05T20:00:00Z", "players_start": 10, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", 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"2015-11-11T01:00:48.583588Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2015-11-11T01:01:09.293926Z", "ended": "2016-02-01T09:34:13.431359Z", "start_waiting": "2015-11-11T01:01:08.295719Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png", "player_count": 10, "ranked": true }, { "id": 86668, "name": "the 28th Feb tournament", "director": { "id": 740165, "username": "szproszczytek", "country": "_Scotland", "icon": "https://user-uploads.online-go.com/2bf8d743b1993c76c2759fce0ce5432d-64.png", "ratings": { "version": 5, "overall": { "rating": 2053.733837221348, "deviation": 73.93692707212678, "volatility": 0.06005991186470912 } }, "ranking": 31.57698282790967, "professional": false, "ui_class": "supporter" }, "description": "a fun Go tournament which takes place on the 28th 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"board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 8, "ranked": true } ] }